Home / 3,078.26-4,618.98-1,434.32

Finding the Fourth Proportional to 3,078.26, 4,618.98 and 1,434.32

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Solution

The fourth proportional to 3,078.26, 4,618.98 and 1,434.32 is: 2,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.26 : 4,618.98 = 1,434.32 : x
  2. Step 2: Convert to fraction form
    3,078.26/4,618.98 = 1,434.32/x
  3. Step 3: Cross multiply
    3,078.26x = 4,618.98 × 1,434.32
  4. Step 4: Simplify right side
    3,078.26x = 6,625,095.39
  5. Step 5: Solve for x
    x = 6,625,095.39/3,078.26
  6. Step 6: Final answer
    x = 2,152.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.